Qt.py

New features

* Make importing `qtpy` thread-safe
* Add a uic module to make loadUI work for PySide
* Add QtTest support for PySide

Bugfixes

**Issues**

* [Issue 42](https://github.com/spyder-ide/qtpy/issues/42) - Wrong old PyQt4 version check
* [Issue 21](https://github.com/spyder-ide/qtpy/issues/21) - Patch QComboBox with PySide?
* [Issue 16](https://github.com/spyder-ide/qtpy/issues/16) - Add loadUI functionality

In this release 3 issues were closed

**Pull requests**

* [PR 43](https://github.com/spyder-ide/qtpy/pull/43) - Don't check PyQt version with qtpy's version for old PyQt versions
* [PR 41](https://github.com/spyder-ide/qtpy/pull/41) - `qtpy.__version__` should be QtPy version, not Qt version
* [PR 40](https://github.com/spyder-ide/qtpy/pull/40) - Mention qt-helpers in README.md, and add myself to AUTHORS.md
* [PR 39](https://github.com/spyder-ide/qtpy/pull/39) - Fix remaining segmentation fault that occurs with the patched QComboBox in PySide
* [PR 38](https://github.com/spyder-ide/qtpy/pull/38) - QtTest for PySide
* [PR 37](https://github.com/spyder-ide/qtpy/pull/37) - Automatically load custom widget classes when using PySide
* [PR 33](https://github.com/spyder-ide/qtpy/pull/33) - Ignore case for QT_API env variable in qtpy submodules
* [PR 32](https://github.com/spyder-ide/qtpy/pull/32) - Remove QItemSelectionModel from QtWidgets for PyQt4 and PySide
* [PR 31](https://github.com/spyder-ide/qtpy/pull/31) - Add compatibility for QItemSelectionModel
* [PR 29](https://github.com/spyder-ide/qtpy/pull/29) - Use ci-helpers (from Astropy) for CI and enable AppVeyor
* [PR 28](https://github.com/spyder-ide/qtpy/pull/28) - Make tests.py into proper unit test, and add Qt version info to pytest header
* [PR 27](https://github.com/spyder-ide/qtpy/pull/27) - Make sure loadUi is available
* [PR 25](https://github.com/spyder-ide/qtpy/pull/25) - Add patched version of QComboBox

In this release 13 pull requests were merged


---

------------------
* Make FindPythonInterp dependency explicit (`107 <https://github.com/ros-visualization/python_qt_binding/issues/107>`_)
* Add note about galactic branch (`104 <https://github.com/ros-visualization/python_qt_binding/issues/104>`_)
* fuerte-devel is too new for ROS Electric (`101 <https://github.com/ros-visualization/python_qt_binding/issues/101>`_)
* Contributors: Shane Loretz

------------------
* Add repo README
* Shorten some long lines of CMake (`99 <https://github.com/ros-visualization/python_qt_binding/issues/99>`_)
* Contributors: Scott K Logan, Shane Loretz

------------------
* Update maintainers (`96 <https://github.com/ros-visualization/python_qt_binding/issues/96>`_) (`#98 <https://github.com/ros-visualization/python_qt_binding/issues/98>`_)
* Add pytest.ini so local tests don't display warning (`93 <https://github.com/ros-visualization/python_qt_binding/issues/93>`_)
* Contributors: Chris Lalancette, Shane Loretz

------------------
* allow a list of INCLUDE_PATH (`92 <https://github.com/ros-visualization/python_qt_binding/issues/92>`_)
* Use magic $(MAKE) variable to suppress build warning (`91 <https://github.com/ros-visualization/python_qt_binding/issues/91>`_)
* Fix linking with non framework builds of qt (e.g. from conda-forge) (`84 <https://github.com/ros-visualization/python_qt_binding/issues/84>`_)
* Contributors: Anton Matosov, Dirk Thomas, Robert Haschke

------------------
* remove obsolete function used for backward compatibility (`88 <https://github.com/ros-visualization/python_qt_binding/issues/88>`_)
* disable Shiboken with CMake < 3.14 (`87 <https://github.com/ros-visualization/python_qt_binding/issues/87>`_)
* fix case of CMake function (`86 <https://github.com/ros-visualization/python_qt_binding/issues/86>`_)
* restore QUIET which was reverted in `79 <https://github.com/ros-visualization/python_qt_binding/issues/79>`_
* use PySide2 and Shiboken2 targets for variables (`79 <https://github.com/ros-visualization/python_qt_binding/issues/79>`_)
* Contributors: Dirk Thomas, Hermann von Kleist